Valve



Oct. 3, 1950 G, v. RANDEL VALVE Filed March 31, 1947 3 Sheets-Sheet 1Fg. In

I "rel/tor 50 George V. Randel g 5 Oct 3, 1950 c. v. RANDEL 2,524,474

VALVE Filed March 31, 1947 s- Sheets Sheet-S Fig.9

F i I2. E p 29 v x g t 2 A 4 3/ F 1 24K 2:

24 30 Fig. II. T Fig I0 29 27 [26) v 36 3/ 25 34 ll 24 Inventor GeorgeV. Randel By wymqfi g Patentecl Oct. 3 1950 UNITED STATES PATENT OFFICEVALVE George v. Randal, Detroit; Mich. Application March 31, 1947,Serial No. 738,376 6 Claims. (01. 251 -17) My invention relates toimprovements in valves for use especially, althoughnot necessarily, inthe depending nozzles or hoses of liquid dispensing tanks for heavyliquids such as oil, to close such nozzles at the extreme outletthereof,

The primary object of my invention is to provide for such nozzles, valveequipment so constructed and arranged that when the valve is closedliquid cannot drip from the nozzle or valve nor dirt orother foreignmatter enter the nozzle.

Another object is to provide for such nozzles valve equipment in which avalve member is arranged to be heldtightly closed and leakproof by a lowtension expansion spring and the pressure' of the liquid'in the nozzleand tank.

Another object is to provide valve equipment for the purpose aboveindicated which is simple in construction; will n'ot'readily get out oforder, and isinexpensive to manufacture and install.

Other and subordinate objects, also comprehended by my invention,together with the precise nature of my improvements, and the advantagesthereof, will be readily understood when the succeeding description andclaims are read with referencetothe drawings accompanying and formingpart of this specification.

In said drawings:

Figure 1 is a'fragmentary view in vertical section of a preferredembodiment of m yiimproved" valve installed in the nozzle of'a liquiddi'spens= ing tank, the valve member being shown closed.

Figure 2 is a similar view showing the valve member'open.

Figure 3 is a view-in vertical section of the valve casing andthe partstherein turned-through an angle of ninety degrees relative*tofthe'showing in Figures 1 and 2 and illustratingthevalve member open.

Figure 4'is a view in top-plan of the'valve" casing and' spider. v

Figure 5 is a fragmentary'viewin vertical section of a modifiedembodiment of my invention with the valve member closed? Figure 6 is asimilar view with the parts at an angle of ninety degrees and showingthe valve member open.

Figure 7 is a view in transverse'section taken on the line 1+! of Figure8 Figure 8 is a-view in vertical section taken on the line 8-8 of Figure'7. M H Figure 9' is a fragmentaryviewin"vertical" section illustratinganother modified-embodiment of my invention installed' and' withthe-va1ve member closed.

Figure 10 is a view in transverse section taken the parts turned at anangleof ninety degrees and the valve member shown'open;

Figure 12 is a view in vertical section of the valve casing and partstherein of the modified embodiment shown in Figures 9, 10 and 11",- anding an oil tank, not" shown, is equipped with a tubular valve casing3suitably fittedtight therein with the lower end thereof threaded intothe lower end of the nozzle, as indicated at 4. An internal, annularbevel valve seat 5 of downwardly tapered form is provided at the lowerend. of the valve casing 3 and which preferably although not necessarilyis formed integrally therewith. The valve seat 5 may be grooved, as at5a, to receive a suitable fiatgasket 5b therein.

A spider; 6 with aninternally squared diametrically offset huh I isfastened preferably by screws; as at Byinto the upper end of the valvecasing 3.

A'valve stem 9 is vertically slidable in the hub,

7 of the spider E and extended upwardly out of the nozzle I through apacking gland 9a in the bend zfor'operation' manually, or otherwise, asdesired to lift the same. The lower portion 9b of the valve stem 9 is ofsquare cross-section to preventt-he same from turning in the hub 1.

A circular, disc valve member In with a bevelled edge l l forconformably fitting downwardly on the gasket5b is hinged off center, onthe back thereof, as at l2, to the lower end of the valve stem 9,at'one'side of said stem, to assume a vertical, open position with itshinge l2 at one side of the vertical axis of the valve seat 5. The hingel2 'isofiset to one side of the center of the valve member l0 so" thatsaid member is overbalanced toward a normal, horizontalClOSlIlg'DOSitiOll, on the hinge'l2, under the influence of gravity andtopresent on one'side of said hinge I2 a greater top surface than on theother side for a purpose presently clear. Engagement of said valvemember Ill with the bottom of they valve stem 9 establishes'the closingposition of said valve member onsaid stem.

A pair of laterally spaced, flat, valve swinging arms 13 depend from thehub 1 upon opposite sidesof'the valve 'stem' 9. The valve swinging arms"l3'are provided with vertical upper workin'g' edges 13d substantiallyco-planar with the side of the'valve stem 9 at which the valve member I0is hinged, and also with lower end working edges I3binclining 'upwardly'toward the side of the valve stem 9 onwhich the valve member Inishinged. The valve swinging arms t3 terminate ported by a pin MI) insaid stem and whereby the stem 9 and the valve member are urgeddownwardly in the nozzle 1. I

A pair of leaf springs I5 are set into and suitably secured in theworking edges l3a of the valve swinging arms IS with curved lower freeends l5a bulging forwardly of the side of the valve stem 9 at which thevalve member ID is hinged and which are adapted to be retracted intorecesses 512 in the working edges I31).

Referring now to the operation of the described embodiment of myimproved valve. When the valve is closed as shown in Figure 1, the valvestem 9 and valve member Ii] are in a lowered position and held loweredby the spring l4, and the valve member is swung into a horizontalposition at a right angle to said stem, underneath the valve swingingarms I3, and is conformably fitted against the gasket b to be tightlyseated by the liquid pressure in the nozzle l against the greater topsurface on the one side of the hinge l2, and by the spring l4,com'ointly. To open the valve, the valve stem 9 is lifted, by anysuitable means, to lift the valve member Ill and unseat the same. Duringsuch liftin of the valve member' Ill, the smaller top surface on theother side of the hinge l2 engages the lowered inclined working edges[3b of the valve swinging arms [3 whereby said valve member is firstcammed toward vertical open position and then cammed by the verticaledges ISa into vertical fu-lly opened position'as shown in Figures 2 and3. During initial opening, before the valve member ID engages theworking edges 13a, said member compresses the free ends [5a of thesprings l5 into the recesses [511. To close the described valve, thevalve stem 9 is released for lowering by the spring l4. During loweringof the valve stem 9, the valve member ID, as soon as the hinge I2 islowered suficiently relative to the lower free ends 15a of the springsI5, is swung toward closing horizontal position by reaction of said freeends l5a against the top surface of said member above said hinge. Assaid valve member ID is lowered below the valve swinging arms l3, thesame assumes horizontal closing position by being overbalanced becauseof the described offset hinging thereof and this horizontal closingposition is assumed by said member at an intermediate point between thelower ends of the valve swinging arms l3 and the valve seat 5 as shownin dotted lines in Figure 1. Further lowering of the valve member IDfrom this intermediate position seats the same to be maintained tightlyseated by the spring I4 and the pressure of liquid in the nozzle on thetop of the member at the side of the hinge [2 on which the greatersurface of the top is disposed. As will be clear, the greater pressureof liquid in the nozzle l against the greater top surface on one side ofthe hinge l2 acts to swing the valve members If! into horizontalposition.

In the modified embodiment of the invention shown in Figures 5 to 8, thevalve member I6 is provided with an offset hinge as in the preferredembodiment but having its axis in the vertical axis of the valve stem[1, as at I8. A valve swinging rod-like bail I9 is provided, in lieu ofthe valve swinging arms 13 of the preferred embodiment of the invention,and which extends transversely of the valve casing 20. The valveswinging bail i9 is provided with aligned end portions 2| suitablyconnected in horizontal position, toopposite sides of the valve casing20, and a'central loop portion 22 straddling the valve stem l1 andinclining upwardly toward the side of the 4 valve stem I! on which thevalve member l5 swings into vertical open position.

In the described modified embodiment of my invention, the valve memberI6, when the valve stem I! is raised sufficiently, is swung by the valveswinging bail i9 into vertical freely opening position as shown inFigures 6, '7 and 8. Otherwise,

than as regards the hinge I8 and the valve swinging bail [9, theconstruction and arrangement in this modified embodiment is the same asin the preferred embodiment of the invention with the exception that thesprings l5 of the preferred embodiment are eliminated.

In the modified embodiment of the invention shown in Figures 9 to 12,and in lieu of the valve swinging arms l3 and ball 22 of the otherembodiments, the valve member 24 is arranged to be opened, under upwardmovement of the valve stem 25 by means of the following. A cable 26 issuitably fixed at one end 21 in the hub 28 of the spider 29 and trainedabove said s pider'into the valve stem 25 and then downwardly, slidably,through said stem with its other end 3| extended out of the lower endportion of said stem and suitably connected to the valve member 24adjacent the edge of said member, and on the side of the stem 25 onwhich the greater top surface of said member is disposed, so that upwardpull on the end 3i of the cable 26 will swing the valve member 24 fromhorizontal position shown in Figures 9 and 10 into vertica1 openingposition shown in Figures 11 and 12. A longitudinal bore 32 with lateralupper and lower ends 33, 34 opening onto opposite sides of the valvestem 25, said bore extending for a suitable distance in the valve stem25, provides for extending the cable 26 into said stem and downwardlytherein and then out of the same. Rollers 35, 36 may be provided in theupper and lower ends 33, 34 of the bor 32 to prevent the cable 26 fromchafing.

Referring now to the operation of the last described modifiedembodiment, when the valve stem 25 is lifted, to lift the valve member24 off the valve seat 30, a loop is formed in the cable 26 by the roller35 and the end 3| of said cable 26 is pulled upwardly to swing the valvemember-24 to open vertical position in which the same is disposedvertically alongside one side of the valve stem 25. When the valve stem25 is lowered, a slack is created in the cable 26 to permit the valvemember 24 to be cammed by the seat '30 into horizontal closing positionand this operation is augmented by gravity and liquid pressure in thesame manner as described with reference to the other embodiments.

As shown in Figure 13, a spring hinge 31 may be provided for the valvemember 38 facilitating swinging of the same toward horizontal closingposition. Such a spring hinge may be substituted for the springs l5.

The foregoing will, it is believed, suifice to impart a clearunderstanding of my invention, without further explanation.

Manifestly, the invention, as described, is susceptible of modification,without departing from the inventive concept, and right is hereinreserved to such modifications as fall within the scope of the appendedclaims.

What I claim is:

l.'A valve for use in a depending nozzle of a liquid dispensing tankcomprising a cylindrical valve casing adapted to be extended into saidnozzle' and having a lower end valve seat therein and lowered relativeto said seat, means in said casing forguiding the valve stem in astraight line during raising and lowering thereof, a bevelled disc valvemember hinged to the lower end of said valve stem to be swung thereonwhen said stem is raised into vertical open position and overbalanced toswing under the influence of gravity and liquid pressure into horizontalclosing position crosswise of said casing for engagement with said seatwhen said stem is lowered, means to swing said valve member open, andmeans to establish the horizontal closing position of the valve member.

2. A valve for use in a depending nozzle of a liquid dispensing tankcomprising a cylindrical valve casing adapted to be extended into saidnozzle and having a lower end valve seat therein of annular taperedform, a valve stem extending into said casing and endwise movable to beraised and lowered, means in said casing for guiding the valve stem in astraight line during raising and lowering thereof, a bevelled disc valvemember hinged to the lower end of said valve stem to be swung thereonwhen said stem is raised into vertical open position and overbalanced toswing under the influence of gravity and liquid pressure into horizontalclosing position crosswise of said casing for engagement with said seatwhen said stem is lowered, said valve memher being hinged to said stemin offset relation to the axis of said valve to overbalance the same,and engaging said stem to establish the horizontal open positionthereof, and means to swing said valve member open. l

3. A Valve for use in a depending nozzle of a liquid dispensing tankcomprising a cylindrical valve casing adapted to be extended into saidnozzle and having a lower end valve seat therein of annular taperedform, a valve stem extending into said casing and endwise movable to beraised and lowered, means in said casing for guiding the valve stem in astraight line during raising and lowering thereof, a bevelled disc valvemember hinged to the lower end of said valve stem to be swung thereonwhen said stem is raisedinto vertical open position and overbalanced toswing under the influence of gravity and liquid pressure into ahorizontal closing position crosswise of said casing for engagement withsaid seat when said stem is lowered, said valve member being hinged tosaid stem in oilset relation to the axis of said valve to overbalancethe same, means in said casing for gradually swinging the valve memberinto vertical position when the valve stem is raised, spring means forlowering said stem, and means for establishing the horizontal closingposition of said valve member.

4. A valve for use in a depending nozzle of a liquid dispensing tankcomprising a cylindrical valve casing adapted to be extended into saidnozzle and having a lower end valve seat therein of annular taperedform, a valve stem extending into said casing and endwise movable to beraised and lowered, means in said casing for guiding the valve stem in astraight line during raising and lowering thereof, a bevelled disc valvemember hinged to the lower end of said valve stem to be swung thereonwhen said stem is raised into vertical open position and overbalanced toswing under the influence of-gravity and liquid pressure into horizontalclosing position crosswise of said casing for engagement with said seatwhen said stem is lowered, means in said casing for swinging-the valvemember into vertical open position while said stem is being raisedcomprising arms fixed in said casing upon opposite sides of said stem,means for starting said valve member toward horizontal position as saidstem is lowered, and means to establish the horizontal closing positionof said valve member.

5. A valve for use in a depending nozzle of a liquid dispensing tankcomprising a cylindrical valve casing adapted to be extended into saidnozzle and having a lower end valve seat therein of annular taperedform, a valve stem extending into said casing and endwise movable to. beraised and lowered, means in said casing for guiding the valve stem in astraight line during raising and lowering thereof, a bevelled disc valvemember hinged to the lower end'of said valve stem to be swung thereonwhen said stem is raised into vertical open position and overbalanced toswing under the influence of gravity and liquid pressure intohorizontal. closing position crosswise of said casing for engagementwith said seat when said stem is lowered, said valve member being hingedto said stem in offset relation to the axis of said valve to overbalancethe same, means in said casing for swinging the valve member intovertical open position while said stem is being raised comprising acamming bail extending crosswise of said casing and fixed ther in instraddling relation to said stem, and means to establish the horizontalclosing position of said valve member.

6. A valve for use in a depending nozzle of a liquid dispensing tankcomprising a cylindrical valve casing adapted to be extended into saidnozzle and having a lower end valve seat therein of annular taperedform, 9, valve stem extending into said casing and endwise movable to beraised and lowered, means in said casing for guiding the valve stem in astraight line during raising and lowering thereof, a bevelled disc valvepoember hinged to thelower end of said valve stem to beswung thereonwhen said stem is raised into vertical open position and overbalanced toswing under the influence of gravity and liquid pressure into ahorizontal closing position crosswise of said casing for engagement withsaid seat when said stem is lowered, said valve member being hinged tosaid stem in offset relation to the axis of said valve to overbalancethe same, means in said casing for swinging the valve member intovertical open position while said stem is being raised comprising a pullcable attached at one end to said valve member and slidably extendedthrough said stem with its othe' end attached to said valve stem guidingmeans for upward pulling of said first named end by raising of saidstem, and means to establish the horizontal closing position of saidvalve member.

GEORGE V. RANDEL.

REFERENCES CITED The following references are of record in the file ofthis patent:

UNITED STATES PATENTS

